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Help CenterHigh Temperature Magnet Wire 200°C Polyimide Coated for Transformers
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As an established manufacturer since 1970, Shandong Huilong Electrical Material Co., Ltd. brings you premium high-temperature magnet wire engineered for extreme environments. Our polyimide-coated solution withstands continuous 200°C operation, delivering unmatched reliability for critical transformer applications. With over 50 years of expertise and 10,000-30,000㎡ manufacturing facilities, we ensure consistent quality that powers industries worldwide.
This advanced magnet wire combines robust thermal stability with superior dielectric strength, significantly extending equipment service life while reducing maintenance costs in high-heat applications.
Core Technical Specifications:
| Parameter | Value |
|---|---|
| Dielectric Strength | ≥8 kV/mm |
| Thermal Shock Resistance | No cracking at 300°C/1hr |
| Chemical Resistance | Excellent against solvents & oils |
| Flexibility | 3x mandrel wrap at 25°C |
Key operational benefits include:
- ◉ Enhanced thermal aging resistance – maintains insulation integrity after 20,000+ hours at 200°C
- ◉ Reduced hot spot failures – uniform dielectric properties prevent localized breakdown
- ◉ Space-efficient designs – thin yet robust insulation enables compact winding
- ◉ Simplified processing – excellent solderability without pre-baking requirements
Backed by ISO9001 and OHSAS18001 certifications, our manufacturing processes undergo rigorous quality control. With annual exports exceeding $100 million to 15+ global markets including North America and Europe, we deliver through major ports like Qingdao and Shanghai. Our 51-100 specialized technicians ensure every spool meets exacting industry standards for demanding applications.
Frequently Asked Questions:
-
Q: What makes polyimide superior to other insulation for high-temp applications?
A: Polyimide maintains mechanical/electrical properties at temperatures where traditional enamels degrade, offering 2-3x longer thermal life. -
Q: Can this wire withstand voltage spikes in power transformers?
A: Yes, our coating provides exceptional impulse strength – tested to 12kV for 1.2/50μs waveforms without breakdown. -
Q: Do you provide custom conductor sizes?
A: Absolutely. We manufacture diameters from 0.05mm to 5.0mm with tolerance within ±0.005mm. -
Q: How does thermal cycling affect performance?
A: Our wire survives 500+ cycles between -65°C and 250°C with -
Q: What packaging options are available?
A: Standard delivery includes vacuum-sealed spools with desiccant. Custom reel sizes and anti-static packaging optional. -
Q: Can I get samples for prototype testing?
A: Yes, sample spools available with lead times as short as 72 hours for evaluation.
Leverage our five-decade expertise to enhance your transformer reliability. Contact us today for technical specifications sheets and volume pricing tailored to your project requirements.
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